A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5998-01-447-3941
NSN 6320-01-054-3046
NSN 6320-00-593-0379
NSN 5835-01-282-9768
NSN 6620-01-431-9176
NSN 5905-00-949-1968
NSN 5999-01-374-8563
NSN 5960-00-069-7638
NSN 5835-01-076-8445
NSN 5945-01-563-5238
NSN 5855-01-386-7323
NSN 6110-01-589-5005